36 1− −7 37 −1 77 26 8− 48 6− 48 41 5− Figure Global amphibian species diversity by country, visualized using density equalizing cartograms Each country’s shape is purposely distorted in proportion to the number of amphibian species per country area (square kilometer) using the cartogram technique after Gastner and Newman (2004) (Data source: AmphibiaWeb (website accessed 17 November 2010).) Amphibian species per country 692 Global Declines of Amphibians